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  "road_source": "OpenStreetMap (local PBF extract)",
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  "osm_snapshot": "2026-08-21T20:21:11Z",
  "elevation_provider": "USGS 3DEP (The National Map)",
  "elevation_licence": "Public domain \u2014 USGS 3DEP 1 m DEM, courtesy of the U.S. Geological Survey",
  "elevation_dataset": "USGS 3DEP 1 m DEM, VT_Statewide_A23 (collected 2023)",
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  "notes": "VT-17 from Bristol/Jerusalem side, full approach incl. the Baby Gap prelude (467 m crest) and a ~126 m-descent hollow before the final ramp. Extent completed 2026-08-22: previous seed crested at Baby Gap only (4,635 m short of the gap); route now ends 14 m from GNIS 'Appalachian Gap' (VTrans: paved throughout). Consider a separate Baby Gap entry later.",
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  "license_url": "https://howsteep.org/licensing.html"
 },
 "area": {
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  "county": ""
 }
}